# T-SoX

> Indoor bike smart trainer connectivity and calibration tool. (iPhone/iPad app by Changyow technologies international co.,ltd..)

- Source: https://appshunter.io/ios/app/t-sox/id1551591004 (this page in markdown: same URL + `.md`)
- Developer: [Changyow technologies international co.,ltd.](https://appshunter.io/developer/539376672)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 12.2 · 202 MB
- Languages: English, Chinese, Spanish, Chinese
- Released: 2021-05-21
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/t-sox/id1551591004/reviews.md

## What is T?

T-Sox APP is a indoor bike smart trainer that supports FTMS communication protocols.
T-Sox can check the BLE connection status of the smart trainer, confirm and update the firmware version. Spindown function can definite the power out of different bikes and indoor bike smart trainer combination. Each time the training platform is set up, the Spindown function must be executed to redefine the power output.

## Key features

- FTMS communication protocol support
- BLE connection status check
- Firmware version confirmation and update
- Spindown function for power calibration
- Redefine power output for training platforms

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/t-sox/id1551591004/reviews.md

### 1/5 — 程式真的不理想

*2025-09-21, version 1.29*

1. 連線附贈的踏頻器， 等到進入主程式就離線了，踏頻完全無法使用
2. 運動消耗熱量， 完全沒有記錄
3. 程式似乎不太常維護，過度依賴其他腳踏車軟體

### 2/5 — 期待支援InBody數據

*2025-09-10, version 1.29*

N/A

### 3/5 — 更新後無法 SpinDown, 需要移除後重新安裝

*2024-04-27, version 1.23*

如題

### 2/5 — 沒有在維護嗎？

*2023-08-23, version 1.18*

Fb，YT廣告這麼大，APP也維護一下吧？很久不能上傳strva，就算上傳數據也不完整，zzz

### 1/5 — 間歇訓練

*2022-05-31, version 1.4*

沒有改善，間歇次數完成後沒有回到輕踩

## Frequently asked questions about T

### Does T-SoX have ads?

No, T-SoX does not contain advertisements. It is a free application designed to support your indoor cycling experience without interruptions.

### What devices is T-SoX compatible with?

T-SoX is designed for use with iPhones and iPods. It supports FTMS communication protocols for smart indoor bike trainers.

### How often is T-SoX updated?

The latest version of T-SoX is 1.34, last updated on April 10, 2026. While the last update date is in the future, the app has received regular updates since its release on May 21, 2021.

### What is the spindown function in T-SoX?

The spindown function in T-SoX is crucial for calibrating your smart trainer. It helps redefine the power output for different bike and trainer combinations, ensuring accurate training data.

### Is T-SoX suitable for beginners?

Yes, T-SoX is suitable for beginners as it simplifies the process of connecting and calibrating smart indoor bike trainers. Its features ensure accurate power readings, which is essential for effective training.

### What age rating does T-SoX have?

T-SoX has an age rating of 4+. This indicates it is suitable for users of all ages and does not contain content inappropriate for children.

### Can T-SoX connect to smart trainers without FTMS?

No, T-SoX specifically supports FTMS communication protocols. It is designed to work with smart trainers that are compatible with this standard.

## Version history (last 5 releases)

### 1.34 — 2026-04-10

1.Adjust UI
2.Adjust check-in feature

### 1.32 — 2026-02-10

Added online credit card payment feature (for purchasing in-person services)

### 1.31 — 2025-10-16

Adjust UI

### 1.30 — 2025-10-09

1. Migrated to MAUI 2. Code Optimization 3. Fix Maximum Oxygen Uptake Calculation

### 1.29 — 2025-03-17

1. Add prompt messages for some operations
2. Expand QR Code scanning functionality
3. Update UI for member info and logout
4. Fix avatar/face photo upload

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## More apps by Changyow technologies international co.,ltd.

- [Reebok Cardio Equipment](https://appshunter.io/ios/app/reebok-cardio-equipment/id1246673812)
- [iC+Training](https://appshunter.io/ios/app/ic-plus-training/id1347028353)
- [T-SoX Heart](https://appshunter.io/ios/app/t-sox-heart/id6503434465)
- [Dreamlink Fitness](https://appshunter.io/ios/app/dreamlink-fitness/id6504848917)

All apps by Changyow technologies international co.,ltd.: https://appshunter.io/developer/539376672

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*